:root{--c-primary:#64748B;--c-secondary:#06B6D4;--c-bg-main:#F8FAFC;--c-bg-alt:#E2E8F0;--c-dark:#020617;--c-metal:#E5E7EB;--c-accent:#0EA5E9;--c-text-main:#1E293B;--c-text-muted:#64748B;--c-border:rgba(100,116,139,.2);}body{margin:0;font-family:system-ui,-apple-system,sans-serif;background:var(--c-bg-main);color:var(--c-text-main);line-height:1.6;}*{box-sizing:border-box;}img{max-width:100%;height:auto;display:block;}
.site-header{position:sticky;top:0;z-index:900;width:100%;background:rgba(248,250,252,.92);backdrop-filter:blur(16px);border-bottom:1px solid var(--c-border);}.header-inner{width:min(1200px, 100% - 32px);margin:0 auto;min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:24px;}.logo{display:inline-flex;align-items:center;gap:12px;text-decoration:none;}.logo img{height:40px;max-width:160px;}.logo span{font-size:18px;font-weight:800;color:var(--c-dark);}.desktop-nav{display:flex;gap:8px;}.desktop-nav a{padding:0 14px;min-height:40px;display:inline-flex;align-items:center;border-radius:99px;font-size:14px;font-weight:600;color:var(--c-text-main);text-decoration:none;}.desktop-nav a:hover{background:var(--c-bg-alt);color:var(--c-accent);}.mobile-menu-btn{display:none;width:44px;height:44px;border:0;border-radius:14px;background:var(--c-bg-alt);cursor:pointer;}.mobile-menu-btn span{display:block;width:20px;height:2px;background:var(--c-dark);margin:4px auto;}
.mobile-nav-mask{position:fixed;inset:0;z-index:998;background:rgba(2,6,23,.54);opacity:0;visibility:hidden;transition:all .25s;}.mobile-drawer{position:fixed;top:0;left:0;z-index:999;width:min(86vw,360px);height:100vh;background:#fff;transform:translateX(-105%);transition:transform .28s;display:flex;flex-direction:column;}.drawer-head{min-height:76px;padding:18px;display:flex;justify-content:space-between;border-bottom:1px solid var(--c-border);}.drawer-logo img{height:36px;}.drawer-logo span{font-size:17px;}.drawer-close{width:40px;height:40px;border:0;border-radius:14px;background:var(--c-bg-alt);font-size:26px;cursor:pointer;}.drawer-body{flex:1;overflow-y:auto;padding:14px;}.drawer-nav{display:flex;flex-direction:column;gap:8px;}.drawer-nav a{padding:13px 14px;border-radius:14px;background:var(--c-bg-main);color:var(--c-dark);text-decoration:none;font-weight:700;}body.drawer-open{overflow:hidden;}body.drawer-open .mobile-nav-mask{opacity:1;visibility:visible;}body.drawer-open .mobile-drawer{transform:translateX(0);}
.site-footer{width:100%;background:var(--c-dark);color:var(--c-metal);margin-top:60px;}.footer-inner{width:min(1200px, 100% - 32px);margin:0 auto;padding:54px 0 34px;display:grid;grid-template-columns:1.4fr repeat(3, .8fr);gap:28px;}.footer-logo span{color:#fff;}.footer-brand p{font-size:14px;color:rgba(255,255,255,.7);}.footer-column h3{color:#fff;font-size:15px;}.footer-column ul{list-style:none;padding:0;display:flex;flex-direction:column;gap:10px;}.footer-column a{color:rgba(255,255,255,.7);text-decoration:none;font-size:14px;}.footer-bottom{width:min(1200px, 100% - 32px);margin:0 auto;padding:18px 0 24px;border-top:1px solid rgba(255,255,255,.1);font-size:13px;display:flex;justify-content:space-between;}
@media(max-width:900px){.desktop-nav{display:none!important;}.mobile-menu-btn{display:inline-flex!important;}.footer-inner{grid-template-columns:1fr 1fr;}.footer-brand{grid-column:1/-1;}.footer-bottom{flex-direction:column;}}@media(max-width:520px){.footer-inner{grid-template-columns:1fr;}}


.about-hero { background: var(--c-bg-alt); padding: 80px 20px; text-align: center; }
.about-hero h1 { font-size: 40px; color: var(--c-dark); margin: 0 0 20px; font-weight: 900; text-transform: uppercase; }
.about-hero p { max-width: 700px; margin: 0 auto; color: var(--c-text-muted); font-size: 18px; }
.about-grid { width: min(1200px, 100% - 32px); margin: 60px auto; display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; }
.about-text h2 { font-size: 28px; color: var(--c-dark); margin: 0 0 20px; }
.about-text p { margin: 0 0 16px; color: var(--c-text-main); }
.about-img { background: #fff; padding: 20px; border-radius: 20px; box-shadow: 0 10px 30px rgba(0,0,0,0.05); }
.features { width: min(1200px, 100% - 32px); margin: 60px auto; display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.feature-card { background: #fff; border: 1px solid var(--c-border); padding: 32px; border-radius: 16px; text-align: center; }
.feature-card h3 { color: var(--c-dark); font-size: 20px; margin: 0 0 12px; }
@media(max-width: 768px){ .about-grid{grid-template-columns:1fr;} .features{grid-template-columns:1fr;} }